NCR

NCR can refer to several topics:

National Capital Region. The term for the conurbations that surround the national capitals of several countries.
NCR Corporation, a technology company specializing in solutions for businesses.
Numeric character reference, a way of referring to any Unicode character in a web page or XML document using an ASCII-only escape sequence.
No carbon required paper
ⁿC_r as an abbreviation of the mathematics formula "from n Choose r"